Question

Ms. Clipner had 15 days to prepare her seventh

grade class for their next math exam. On the
first day. she gave the class 7 math problems to
complete. Each day following, Ms. Clipner gave
the class 5 more math problems to solve in prepa-
ration. How many problems did Ms. Clipner give
the class for review
26
G. 72
H.
J. 82
K. 156

Answer 1

82

Explanation:

add 7 to 5 fifthteen times

Answer 2

Ms. Clipner gave the class a total of 82 math problems for review. The correct answer is option J: 82.

Ms. Clipner gave her seventh-grade class 7 math problems on the first day, followed by 5 additional problems each subsequent day, for a total of 15 days.

To find the total number of problems given for review, you can use the arithmetic progression formula:

`\[ S_n = (n)/(2)[2a + (n-1)d] \]`

Where:

-
`\( S_n \)` is the sum of the arithmetic series,

- n is the number of terms,

-a is the first term, and

- d is the common difference between terms.

In this case:

- n = 15 (number of days),

- a = 7 (problems on the first day),

- d = 5 (additional problems each day).

`\[ S_(15) = (15)/(2)[2(7) + (15-1)(5)] \]`

After solving this equation, you'll find that
`\( S_(15) = 82 \).`

Therefore, Ms. Clipner gave the class a total of 82 math problems for review. The correct answer is option J: 82.

The probable question may be:

Ms. Clipner had 15 days to prepare her seventh grade class for their next math exam. On the first day. she gave the class 7 math problems to complete. Each day following, Ms. Clipner gave the class 5 more math problems to solve in prepa-ration. How many problems did Ms. Clipner give the class for review

F. 26

G. 72

H. 77

J. 82

K. 156